"fervent efforts" is correct and usable in written English.
It means intense or passionate efforts towards a goal or task. Example: Despite facing numerous obstacles, the team continued to make fervent efforts towards their goal of winning the championship.
France, Norway and Malaysia have all failed despite fervent efforts.
06f57bfe-e399-47ef-871b-9c4ee4335a10 Elan's fervent efforts to fight off Royalty Pharma's $6.4 billion hostile bid are driven by the simple fact that it is relatively defenseless.
One dot is Osama bin Laden's fervent efforts to obtain bio-weapons, reflected in the lab he was building near Kandahar, Afghanistan, to produce anthrax.
Some have pointed out that the fervent efforts to roust the Babadook from a traditional family unit recall homophobic campaigns like the McCarthy-era lavender scare.
Despite his supporters' fervent efforts, President Karzai seems likely to end up with a Parliament that has an even smaller minority of members loyal to him than he and other political observers had expected.
Manchester United are reportedly set to overcome fervent efforts from Atlético Madrid to hijack their £40m-plus move for Juan Mata by concluding a club-record deal for the Chelsea playmaker by the weekend.
"By and large, language is a tool for concealing the truth," read a message on Mr. Carlin's Web site, GeorgeCarlin.com, and he spent much of his life in a fervent effort to counteract the forces that would have it so.
His arena complex, in which the stadium was embedded in a matrix of towers resembling falling shards of glass, was a striking addition to the Brooklyn skyline; it was also a fervent effort to engage the life of the city below.
Created in the fervent effort to sequence the genomes of humans and other organisms, genomics has become a critical discipline in modern life science research.
Here success is attributed to many of factors clearly missing in the other cases a network of like-minded political actors, a fervent effort to reverse the earlier apartheid discriminative policies that allowed only white farmers to utilize wildlife, a commitment to enshrining these new principles in unambiguous legislation, and tactful engagement by outside non-governmental organizations.
As part of a fervent lobbying effort, banks warned repeatedly that strict regulations could crimp lending at a time when the housing market was just starting to get back on its feet.
